diff --git a/src/testdir/test_sound.vim b/src/testdir/test_sound.vim
index e74aa13..6ffd7e6 100644
--- a/src/testdir/test_sound.vim
+++ b/src/testdir/test_sound.vim
@@ -13,7 +13,6 @@
   if has('win32')
     throw 'Skipped: Playing event with callback is not supported on Windows'
   endif
-
   let id = sound_playevent('bell', 'PlayCallback')
   if id == 0
     throw 'Skipped: bell event not available'
@@ -21,7 +20,7 @@
   " Stop it quickly, avoid annoying the user.
   sleep 20m
   call sound_stop(id)
-  sleep 20m
+  sleep 30m
   call assert_equal(id, g:id)
   call assert_equal(1, g:result)  " sound was aborted
 endfunc
@@ -46,6 +45,20 @@
   call assert_true(id2 > 0)
   sleep 20m
   call sound_clear()
+  sleep 30m
   call assert_equal(id2, g:id)
   call assert_equal(1, g:result)
+
+  " recursive use was causing a crash
+  func PlayAgain(id, fname)
+    let g:id = a:id
+    let g:id_again = sound_playfile(a:fname)
+  endfunc
+
+  let id3 = sound_playfile(fname, {id, res -> PlayAgain(id, fname)})
+  call assert_true(id3 > 0)
+  sleep 50m
+  call sound_clear()
+  sleep 30m
+  call assert_true(g:id_again > 0)
 endfunc